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            [parent_category] => Array
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                    [slug] => art-design
                    [name] => Art and Design
                )

            [subcategories] => Array
                (
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                        (
                            [name] => Solidworks
                            [slug] => solidworks
                            [id] => 1855
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                )

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            [parent_category] => Array
                (
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                    [slug] => computer-technology
                    [name] => Computer and Technology
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            [subcategories] => Array
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                    [0] => Array
                        (
                            [name] => Microsoft Excel
                            [slug] => microsoft-excel
                            [id] => 1805
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                    [1] => Array
                        (
                            [name] => Python
                            [slug] => python
                            [id] => 1820
                        )

                    [2] => Array
                        (
                            [name] => R
                            [slug] => r
                            [id] => 1821
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                )

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            [parent_category] => Array
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                    [id] => 1880
                    [slug] => engineering
                    [name] => Engineering
                )

            [subcategories] => Array
                (
                    [0] => Array
                        (
                            [name] => Mechanical Engineering
                            [slug] => mechanical-engineering
                            [id] => 1881
                        )

                )

        )

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            [parent_category] => Array
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                    [id] => 1723
                    [slug] => math
                    [name] => Math
                )

            [subcategories] => Array
                (
                    [0] => Array
                        (
                            [name] => ACT Math
                            [slug] => act-math
                            [id] => 1741
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                    [1] => Array
                        (
                            [name] => Algebra 1
                            [slug] => algebra-1
                            [id] => 1725
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                        (
                            [name] => Algebra 2
                            [slug] => algebra-2
                            [id] => 1726
                        )

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                            [slug] => calculus
                            [id] => 1730
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                        (
                            [name] => Differential Equations
                            [slug] => differential-equations
                            [id] => 1731
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                        (
                            [name] => Geometry
                            [slug] => geometry
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                        (
                            [name] => Linear Algebra
                            [slug] => linear-algebra
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                            [slug] => prealgebra
                            [id] => 1724
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                            [slug] => precalculus
                            [id] => 1728
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                        (
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                            [slug] => probability
                            [id] => 1735
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                    [10] => Array
                        (
                            [name] => SAT Math
                            [slug] => sat-math
                            [id] => 1740
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                        (
                            [name] => Statistics
                            [slug] => statistics
                            [id] => 1736
                        )

                    [12] => Array
                        (
                            [name] => Trigonometry
                            [slug] => trigonometry
                            [id] => 1729
                        )

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            [parent_category] => Array
                (
                    [id] => 1744
                    [slug] => science
                    [name] => Science
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            [subcategories] => Array
                (
                    [0] => Array
                        (
                            [name] => Astronomy
                            [slug] => astronomy
                            [id] => 1758
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                    [1] => Array
                        (
                            [name] => Physical Science
                            [slug] => physical-science
                            [id] => 1745
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                        (
                            [name] => Physics
                            [slug] => physics
                            [id] => 1748
                        )

                )

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            [parent_category] => Array
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                    [id] => 1856
                    [slug] => test-prep-exams
                    [name] => Test Prep and Exams
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            [subcategories] => Array
                (
                    [0] => Array
                        (
                            [name] => ACT Science
                            [slug] => act-science
                            [id] => 1870
                        )

                    [1] => Array
                        (
                            [name] => GED
                            [slug] => ged
                            [id] => 1866
                        )

                )

        )

)